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Rev 9113 Rev 9114
Line 195... Line 195...
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        jne     .not_sha2
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        jne     .not_sha2
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        cmp     dword[esi+12], 'sha2'
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        cmp     dword[esi+12], 'sha2'
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        jne     .not_sha2
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        jne     .not_sha2
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        cmp     dword[esi+16], '-256'
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        cmp     dword[esi+16], '-256'
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        je      .sha2_256
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        je      .sha2_256
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;        cmp     dword[esi+16], '-512'
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        cmp     dword[esi+16], '-512'
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;        je      .sha2_512
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        je      .sha2_512
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  .not_sha2:
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  .not_sha2:
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        jmp     .err_signature
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        jmp     .err_signature
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        rep movsb
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        rep movsb
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        pop     esi
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        pop     esi
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        jmp     .rsa
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- 
 
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  .sha2_512:
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        DEBUGF  3, "SSH: Using RSA with SHA2-512 hash\n"
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        add     esi, 4+4+12
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        push    esi
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; EMSA-PKCS1-v1_5
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        invoke  sha512_init, [h_ctx]
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        invoke  sha512_update, [h_ctx], [M], [message_len]
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        invoke  sha512_final, [h_ctx]
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        mov     edi, [EM_accent]
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        mov     al, 0x00
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        stosb
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        mov     al, 0x01
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        stosb
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        mov     ecx, 256 - (rsa_sha512_T.len + 3 + SHA512_HASH_SIZE)
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        mov     al, 0xff
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        rep stosb
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        mov     al, 0x00
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        stosb
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        mov     esi, rsa_sha512_T
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        mov     ecx, rsa_sha512_T.len
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        rep movsb
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        mov     esi, [h_ctx]
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        mov     ecx, SHA512_HASH_SIZE
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        rep movsb
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- 
 
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        pop     esi
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        jmp     .rsa
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        jmp     .rsa
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  .rsa:
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  .rsa:
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; RSA signature blob
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; RSA signature blob
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        stdcall mpint_to_little_endian, [mpint_s], esi
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        stdcall mpint_to_little_endian, [mpint_s], esi
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        base64_table    db 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
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        base64_table    db 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
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        rsa_sha1_T      db 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B, 0x0E, 0x03, 0x02, 0x1A, 0x05, 0x00, 0x04, 0x14
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        rsa_sha1_T      db 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B, 0x0E, 0x03, 0x02, 0x1A, 0x05, 0x00, 0x04, 0x14
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        .len = $ - rsa_sha1_T
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        .len = $ - rsa_sha1_T
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        rsa_sha256_T    db 0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20
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        rsa_sha256_T    db 0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20
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        .len = $ - rsa_sha256_T
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        .len = $ - rsa_sha256_T
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        rsa_sha512_T    db 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x05, 0x00, 0x04, 0x40
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        .len = $ - rsa_sha512_T
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        ssh_rsa_sz      db 'ssh-rsa', 0
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        ssh_rsa_sz      db 'ssh-rsa', 0
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